SIMBAD references

2005A&A...440..287I - Astronomy and Astrophysics, volume 440, 287-293 (2005/9-2)

On the nature of two low-{dot}(M) X-ray bursters: 1RXS J170854.4-321857 and 1RXS J171824.2-402934.


Abstract (from CDS):

We carried out Chandra observations of two low-luminosity low-mass X-ray binaries, 1RXS J170854.4-321857 and 1RXS J171824.2-402934, for which previously single X-ray bursts were detected with the Wide Field Cameras (WFCs) on board BeppoSAX. Both were detected in our Chandra observations in an actively accreting state three to eight years after the X-ray bursts, with 0.5-10 keV luminosities between 5x1034 and 2x1036erg/s. The apparently persistent nature is remarkable for 1RXS J171824.2-402934 given its low luminosity of 10–3LEdd. The persistence of both sources also distinguishes them from 5 other low-L bursters, which have also been seen during bursts with the WFCs but were not detected during Chandra observations above a luminosity of 1033erg/s. Those are probably transient rather than persistent sources.

Abstract Copyright:

Journal keyword(s): X-rays: binaries - X-rays: bursts - X-rays: individual: 1RXS J170854.4-321857 = 4U 1705-32 = 1M 1704-321 = 1H 1659-317, 1RXS J171824.2-402934 = RX J1718.4-4029

Simbad objects: 14

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